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Finding the Fourth Proportional to 13,234,449.90, 19,809,684.45 and 13,234,449.90

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Solution

The fourth proportional to 13,234,449.90, 19,809,684.45 and 13,234,449.90 is: 19,809,684.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234,449.90 : 19,809,684.45 = 13,234,449.90 : x
  2. Step 2: Convert to fraction form
    13,234,449.90/19,809,684.45 = 13,234,449.90/x
  3. Step 3: Cross multiply
    13,234,449.90x = 19,809,684.45 × 13,234,449.90
  4. Step 4: Simplify right side
    13,234,449.90x = 262,170,276,388,334.06
  5. Step 5: Solve for x
    x = 262,170,276,388,334.06/13,234,449.90
  6. Step 6: Final answer
    x = 19,809,684.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.